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Rosa multiflora; Multiflora Rose   

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Rosa multiflora
Rosa multiflora
Multiflora Rose 		Photographer: Dr. Amadej Trnkoczy

ID: 0000 0000 0618 0536 (2018-06-12)

Copyright © 2018 Dr. Amadej Trnkoczy
 
INFORMATION PROVIDED WITH THE PHOTO
  • date of photo  Jun 5, 2018
  • latitude 46.34220   longitude 13.66859     View on Google Maps.
  • location   Lower Trenta valley; village Soča, between the main road Bovec-Vršič and right bank of river Soča, below stone escarpment of the road; immediately downstream from the bridge near the village church, East Julian Alps (Posočje, Slovenia)
  • notes   Slo.: mnogocvetni šipek - Syn.: Rosa cathayensis (Rehd. & Wilson) Bailey - Habitat: in a thicket of other shrubs and tall herbs (Corylus avellana, Fraxinus ornus, young, bush shaped Ostrya carpinifolia dominant); on steep pebble and sandy slope of a riverbank, south aspect; calcareous, semi-ruderal ground; sunny place; elevation 480 m (1.570 feet); average precipitations ~ 3.000 mm/year, average temperature 8-10 deg C, alpine phytogeographical region. Substratum: sandy soil. Comment: Rosa multiflora growing in the wild is a rare find in Slovenia. The plant is not native but introduced to Europe from East Asia – mostly from Japan, China and Korea. In Europe it was once a garden plant and has been used as a rootstock for grafting cultivated roses. For the same purpose it was also introduced to several states of USA (Ref.:12), where it is nowadays considered noxious and quite invasive (ironically its planting was encouraged during the midst of last century by U.S. Soil Conservation Service) (Ref.:11). The species sometimes but very rarely escapes gardens. But if it does it is capable to proliferate in the wild. The seeds of Rosa multiflora are dispersed mainly by birds and hence spontaneous, unexpected locations are possible (Ref.9). In Slovenia there exists only a few historical observations of Rosa multiflora. Also contemporary observations are few, most of them along rivers (Ref.1). Slovenian floristic key (Ref.:7 (2007)) as well as working materials for the Atlas of Flora Ref.:8 (2001) do not list this species for Slovenia at all. Also FloVegSi data base (Ref.10) includes no publicly accessible observations of this species in the country. West of us, in Friuli Venezia Giulia, Italy, Ref.: 9 states only a few observations of this species, all of them are in the southwest part of the region away of Slovenia. However, Ref.: 5 states presence of it in Trieste region very near to Slovenian border. To our knowledge no observation has been documented so far in the upper Soča river region (Zgornje Posočje) including Trenta valley. It is interesting that most Rosa multiflora plants have thorns, but, according to some sources, there have been some plants observed without (Ref.11). All the plants of this observation are completely without them. Ref.: (1) Personal communication (conf.) with Dr. Igor Dakskobler and Dr. Branko Vreš, Jovan Hadži Institute of Biology of the Slovenian Academy of Sciences and Arts. (2) M.A. Fischer, W. Adler, K. Oswald, Exkursionsflora für Österreich, Liechtenstein und Südtirol, LO Landesmuseen, Linz, Austria (2005), p 521. (3) D. Aeschimann, K. Lauber, D.M. Moser, J.P. Theurillat, Flora Alpina, Vol. 1., Haupt (2004), p 734. (4) K. Lauber and G. Wagner, Flora Helvetica, 5. Auflage, Haupt (2012), p 242. (5) M. Buccheri, F. Martini, P. Sergio, Segnalazioni floristiche alla regione Friuli Venezia Giulia XIII, Gortania, Atti del Museo Friulano di Storia Naturale 25 (2003), pp 194-205; cited in Ref.: 6. (6) W.K. Rottensteiner, Exkursionsflora für Istrien, Verlag des Naturwissenschaftlichen Vereins Kärten (2014), p 935. (7) A. Martinči et all., Mala Flora Slovenije (Flora of Slovenia - Key) (in Slovenian), Tehnična Založba Slovenije (2007). (8) N. Jogan (ed.), Gradivo za Atlas flore Slovenije (Materials for the Atlas of Flora of Slovenia), CKSF (2001). (9) L. Poldini, Nuovo Atlante corologico delle piante vascolari nel Friuli Venezia Giulia, University of Trieste (2002), p 415. (10) T. Seliškar, B. Vreš, A. Seliškar, FLOVEGSI data base, The Jovan Hadži Institute of Biology ZRC SAZU, 2003; https://bijh.zrc-sazu.si/sl/zbirka/podatkovna-zbirka-flovegsi-favna-flora-in-vegetacija-slovenije-bijh-zrc-sazu#v (accessed June 9. 2018) (11) https://www.eddmaps.org/ipane/ipanespecies/shrubs/Rosa_multiflora.htm (accessed June 11. 2018) (12) S.R. Kaufman, W. Kaufman, Invasive Plants (second, revised edition), Stackpole Books, Pennsylvania, USA (2012), p 150
  • camera   Sony ILCE6000 / Carl Zeiss Vario-Tessar E 16-70 mm/f4
  • contributor's ID #  Bot_1136/2018_DSC2838
  • photo category: Plant - shrub

    • MORE INFORMATION ABOUT THIS PLANT
  • common names   Multiflora Rose, Rambler Rose, Japanese Rose (photographer)
  • View all photos in CalPhotos of Rosa multiflora
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    • The photographer's identification Rosa multiflora has not been reviewed. Click here to review or comment on the identification.

     
    Using this photo   The thumbnail photo (128x192 pixels) on this page may be freely used for personal or academic purposes without prior permission under the Fair Use provisions of US copyright law as long as the photo is clearly credited with © 2018 Dr. Amadej Trnkoczy. For other uses, or if you have questions, contact Dr. Amadej Trnkoczy amadej.trnkoczy[AT]siol.net. (Replace the [AT] with the @ symbol before sending an email.)


     

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